D And F Block Elements Question 504
Question: Zinc forms two important alloys, (i) Brass and (ii) German silver. Metals present in them mainly are
Options:
A) In (i) zinc and tin; and in (ii) zinc, silver and nickel
B) In (i) zinc and iron; and in (ii) zinc, nickel and cobalt
C) In (i) zinc and copper; and in (ii) zinc, copper and nickel
D) In (i) zinc and aluminium; and in (ii) zinc, nickel and aluminium
Show Answer
Answer:
Correct Answer: C
Solution:
Brass contains $ Cu=80% $ , $ Zn=20% $ German silver contains $ Cu=60% $ , $ Zn=20% $ , $ Ni=20% $
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